kai-jacobsen/kontentblocks

<?php

namespace Kontentblocks\Fields\Definitions;

use Exception;
use Kontentblocks\Fields\Field;
use Kontentblocks\Fields\FieldFormRenderer;
use phpDocumentor\Reflection\Types\Null_;

/**
 * Checkboxset
 * Multiple key => value pairs as checkboxes
 * Only use strings as values
 *
 */
Class RadioSet extends Field
{

    // Field defaults
    public static $settings = array(
        'renderHidden' => true,
        'type' => 'radioset',
        'forceSave' => true
    );


    /**
     * Custom save filter
     * Unchecked boxes will get the value FALSE
     * pseudo boolean values get converted to true ones,
     * means any of these: '1', 'on', 'true', '0', 'false', 'off'
     * Important to note that you must not define a value as FALSE in the options array,
     * in that case you'll have a hard time.
     *
     * @param array $new - from $_POST
     * @param array $old - as saved
     *
     * @return string
     */
    public function save($new, $old)
    {
        $options = $this->getArg('options');
        $list = wp_list_pluck($options, 'value');
        if (is_string($new) && !empty($new)) {
            if (in_array($new, $list)) {
                return $new;
            }
        }


        return $list[0];

    }

    public function getFormFilter($fielddata)
    {
        $collect = array();
        if (!empty($fielddata)) {
            foreach ($fielddata as $k => $v) {

                if ($this->getArg('filter', true)) {
                    $filtered = filter_var($v, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
                } else {
                    $filtered = $v;
                }

                if ($filtered !== null) {
                    $collect[$k] = $filtered;
                } else {
                    $collect[$k] = $v;
                }
            }
        }
        return $collect;

    }

    public function prepareFormValue($value)
    {

        if (is_array($value)) {
            return '';
        }

        return $value;

    }

    /**
     * @param FieldFormRenderer $form
     */
    public function renderHidden(FieldFormRenderer $form)
    {
        $value = $this->getValue();
        $options = $this->getArg('options', array());

        foreach ($options as $item) {
            if (!$this->validateItem($item)) {
                continue;
            }
            echo "<input type='hidden' name='{$form->getFieldName()}' value='{$value[$item['value']]}' >";
        }

    }

    private function validateItem($item)
    {
        return isset($item['key'], $item['name'], $item['value']);

    }
}